After Grandma hears Stan talking while babysitting the children, she begins to think that she is going crazy, prompting the children to decide whether or not they should share Stan’s secret with Grandma.

Avery refuses to help the family with their annual haunted house.

Avery, Tyler, & Chloe discover that Stan isn't talking, so they must figure out why without their parents discovering the secret.

On the first day of school, Avery feels insecure when noticing her classmates' growth spurts over the summer; Tyler reveals a new haircut.

When Tyler decides to try and get Nikki back as his girlfriend, Avery is hesitant to help him for fear of being caught between her friend and brother, but ultimately intervenes.

Tyler makes a commercial for his boss' food truck business.

Wealthy business tycoon Tom Fairbanks wants to buy Stan from the James-Jennings family to use him as a spokes-dog for his animal rescue campaign. Fearful that Bennett and Ellen might say yes, Avery, Tyler and Chloe hire actors to play their parents and turn down the offer before they are approached.

Stan's blog is accidentally submitted as Bennett's latest book and the kids must work together to protect Stan's secret.

Avery has a huge crush on a boy named Dustin Pitt, and in order to spend time with him she enlists the help of Tyler, who in turn wants her to help him spend time with Nikki. Avery and Dustin end up watching a movie together and later with Stan's help, Avery tells Dustin she likes him. Dustin likes her back and asks her out. Meanwhile, Chloe and Stan play chess (Chloe's version of chess) while Tyler has a mustache glued to his face.

When Ellen's self-obsessed sister comes over, due to a flight delay to Hawaii, Avery tries to help her mom to get through the visit. Meanwhile Stan, Tyler, and Chloe attempt to hide a stray dog named Sparky in the house for Christmas.

Avery arrives at school and learns that she's been left out of "ditch day."

After Tyler, Avery, and Chloe have to hang out with their annoying neighbor, Karl, they quickly come up with a plan to keep him away.

Avery is excited to attend the school dance with Wes and secretly seeks dance lessons from her neighbor, Karl. However, things do not turn out as planned when Wes becomes suspicious of Avery spending so much time with Karl.

Stan unintentionally gets Avery and Wes to break up and try to get them back together.

Karl, the James-Jennings’ family neighbor, reveals to the kids that he knows Stan’s secret.

Stan's former owner, Ian, arrives from Spokane, Washington, to reclaim Stan. He tells Stan he found his original family and they can all talk too. So Stan has to choose between his old family and his new family.

When Tyler and Avery are given a dog that talks, they agree on one thing: Stan's ability to speak must be kept a secret from everyone, even their parents.

Stan makes a video about being the world’s first talking dog to leave as his legacy, but the parents grow suspicious of what’s on the tape, so the kids must record over it. Meanwhile, Ellen decides to take a job with Stan’s veterinarian, but soon learns she may not be well suited for it.

After Avery blows her chance with Wes, she finds out he asks Lindsay on a date instead. Avery and Lindsay get in a big fight and decide to compete for Wes. Wes finds out about Avery's feelings and how she has a crush on him.

Stan has been addicted to a game called Realm of the Tower, where he has made a new friend Kilgor (Kevin). When the game-players are gathering at the park, Stan asks Avery to pretend to be him so they can go and meet his gaming companions. Meanwhile, Chloe has been begging to get her ears pierced, but Ellen and Bennett refuse to take her, so she tricks Tyler into taking her much to Ellen's dismay.

The family trains Stan to be a guard dog.

Avery, Tyler and Chloe try to plan something special for their parents' upcoming anniversary.

After Tyler gets his learner's permit, he wants to drive alone due to his parents annoying him, and everyone wanting taking advantage of him. Chaos ensues when Stan crashes the car because he wanted to be like a person, and everyone thinks Tyler did it. Meanwhile, Ellen and Bennett relive the memories they shared with Tyler and Avery when they were kids and realize that they are all grown-up, so they start cherishing memories with Chloe. In flashbacks, it is revealed that Ellen and Bennett had an ugly run-in at the park when Avery and Tyler were much younger, however they do not remember this.

Avery and her best friend, Lindsay (Kayla Maisonet), are in desperate need for a replacement to be the school mascot to perform at the homecoming game. Stan convinces Avery to let him be the school mascot, but she is worried because the rival team always pulls horrible pranks on the mascots. Meanwhile, Ellen is beyond annoyed because the car always smells horribly bad, so she persuades Bennett into buying a new car.

Avery makes the cheerleading squad